Home / 13,479.53-20,219.25-3,617.98

Finding the Fourth Proportional to 13,479.53, 20,219.25 and 3,617.98

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Solution

The fourth proportional to 13,479.53, 20,219.25 and 3,617.98 is: 5,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479.53 : 20,219.25 = 3,617.98 : x
  2. Step 2: Convert to fraction form
    13,479.53/20,219.25 = 3,617.98/x
  3. Step 3: Cross multiply
    13,479.53x = 20,219.25 × 3,617.98
  4. Step 4: Simplify right side
    13,479.53x = 73,152,842.12
  5. Step 5: Solve for x
    x = 73,152,842.12/13,479.53
  6. Step 6: Final answer
    x = 5,426.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.